11123122141 has 2 divisors, whose sum is σ = 11123122142. Its totient is φ = 11123122140.

The previous prime is 11123122039. The next prime is 11123122147. The reversal of 11123122141 is 14122132111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11120546116 + 2576025 = 105454^2 + 1605^2 .

It is a cyclic number.

It is not a de Polignac number, because 11123122141 - 2¹³ = 11123113949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11123122147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5561561070 + 5561561071.

It is an arithmetic number, because the mean of its divisors is an integer number (5561561071).

Almost surely, 2^11123122141 is an apocalyptic number.

It is an amenable number.

11123122141 is a deficient number, since it is larger than the sum of its proper divisors (1).

11123122141 is an equidigital number, since it uses as much as digits as its factorization.

11123122141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96, while the sum is 19.

Adding to 11123122141 its reverse (14122132111), we get a palindrome (25245254252).

The spelling of 11123122141 in words is "eleven billion, one hundred twenty-three million, one hundred twenty-two thousand, one hundred forty-one".